Ningbo Hi-tech Park Peasway Electronic Technology Co., Ltd.

• MOQ 1000 Piece(s)
• Power Source9V battery

We are offering smoke alarm.1.9v battery; 2.high alarm 85db(3m) ; 3.test button; 4.low battery warning, ce, rohs en14604 promotional smoke detector conforms with ul standard, and is used to detect smoke and fire. pw-507s stand-alone ul smoke detector is under bsi approval, and can be calibrated into either ul, vds, nf standards. This smoke detector features ul-approved photoelectric sensing components with precise smoke detection. And long life (18 months) 9v battery operation (9v ultralifelithium battery model for 10-year life is available too). smoke detector specifications/special features: â�¢features: â�¦works on principle that infrared scatters on smoke surface â�¦probes smoke which is generated by incomplete combustion at initial stage of fire â�¦smoke detector consists of photoelectric system, signal processing identification and alarm circuit â�¦infrared scatters on surface of smoke when smoke enters darkroom of detector â�¦photoelectric diode receives scattered light and generates photoelectric signal current â�¦photoelectric signal generates alarm signal after being processed by identification circuit, accordingly purpose of alarming is achieved â�¢specifications: material: abs plastic power supply: 9v dc block battery/pp3 quiescent current: 8î¼a alarm current: 16ma operating temperature: -10â°c ~ +50â°c humidity: 0 to 95%(40â±2â°c), no condensing or icing alarm decibel: louder than 85db at 10feet(3 meters) test button: to verify the proper functioning of smoke alarm low voltage warning: smoke detector beeps every 40 seconds for 30 days (minimum) to indicate a need of battery replacement smoke sensitivity: 0.086 db/m to 0.140 db/m